10 Questions
| Total Attempts: 305

Finding the the correct word being describe in the statement.

Questions and Answers

- 1.What is the word being describe here?" the number of times the waveform repeats itself within a one second time period".
- A.
Period

- B.
Amplitude

- C.
Frequency

- 2.is the magnitude or intensity of the signal waveform measured in volts or amps.
- A.
Period

- B.
Amplitude

- C.
Frequency

- 3.is the length of time in seconds that the waveform takes to repeat itself from start to finish.
- A.
Period

- B.
Amplitude

- C.
Frequency

- 4.•Vectors, Phasors and Phasor Diagrams only apply to sinusoidal AC waveforms.
- A.
True

- B.
False

- 5.•All phasors are drawn rotating in an anticlockwise direction. All the phasors ahead of the reference phasor are said to be ___________ while all the phasors behind the reference phasor are said to be ___________.
- 6.
- A.
357Ohms

- B.
257Ohms

- C.
157Ohms

- 7.A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the impedance?
- A.
159.8Ohms

- B.
259.8Ohms

- C.
359.8Ohms

- 8.A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the voltage drop across resistor?
- A.
140 V

- B.
130 V

- C.
120 V

- 9.A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the voltage drop across inductor?
- A.
628 V

- B.
528 V

- C.
428 V

- 10.A coil has a resistance of 30Ω and an inductance of 0.5H. If the current flowing through the coil is 4amps and its frequency is 50Hz. What will be the supply voltage?
- A.
620 V

- B.
630 V

- C.
640 V